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  • Cells, Cultured
  • American Association for the Advancement of Science (AAAS)  (4)
  • Nature Publishing Group (NPG)  (2)
  • Nature Publishing Group
  • 2005-2009  (6)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (4)
  • Nature Publishing Group (NPG)  (2)
  • Nature Publishing Group
Years
Year
  • 1
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    A regulatory SNP causes a human genetic disease by creating a new transcriptional promoter (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-27
    Description: We describe a pathogenetic mechanism underlying a variant form of the inherited blood disorder alpha thalassemia. Association studies of affected individuals from Melanesia localized the disease trait to the telomeric region of human chromosome 16, which includes the alpha-globin gene cluster, but no molecular defects were detected by conventional approaches. After resequencing and using a combination of chromatin immunoprecipitation and expression analysis on a tiled oligonucleotide array, we identified a gain-of-function regulatory single-nucleotide polymorphism (rSNP) in a nongenic region between the alpha-globin genes and their upstream regulatory elements. The rSNP creates a new promoterlike element that interferes with normal activation of all downstream alpha-like globin genes. Thus, our work illustrates a strategy for distinguishing between neutral and functionally important rSNPs, and it also identifies a pathogenetic mechanism that could potentially underlie other genetic diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Gobbi, Marco -- Viprakasit, Vip -- Hughes, Jim R -- Fisher, Chris -- Buckle, Veronica J -- Ayyub, Helena -- Gibbons, Richard J -- Vernimmen, Douglas -- Yoshinaga, Yuko -- de Jong, Pieter -- Cheng, Jan-Fang -- Rubin, Edward M -- Wood, William G -- Bowden, Don -- Higgs, Douglas R -- MC_U137961143/Medical Research Council/United Kingdom -- MC_U137961145/Medical Research Council/United Kingdom -- MC_U137961147/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2006 May 26;312(5777):1215-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, OX3 9DS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16728641" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cells, Cultured ; Chromatin Immunoprecipitation ; Chromosomes, Human, Pair 16/*genetics ; Erythroblasts ; GATA1 Transcription Factor/metabolism ; Gene Expression ; Gene Expression Profiling ; Globins/*genetics ; Haplotypes ; Humans ; Melanesia ; Minisatellite Repeats ; Multigene Family ; Oligonucleotide Array Sequence Analysis ; *Polymorphism, Single Nucleotide ; *Promoter Regions, Genetic ; Regulatory Elements, Transcriptional ; Transcription, Genetic ; alpha-Thalassemia/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    53BP1 promotes non-homologous end joining of telomeres by increasing chromatin mobility (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-10-22
    Description: Double-strand breaks activate the ataxia telangiectasia mutated (ATM) kinase, which promotes the accumulation of DNA damage factors in the chromatin surrounding the break. The functional significance of the resulting DNA damage foci is poorly understood. Here we show that 53BP1 (also known as TRP53BP1), a component of DNA damage foci, changes the dynamic behaviour of chromatin to promote DNA repair. We used conditional deletion of the shelterin component TRF2 (also known as TERF2) from mouse cells (TRF2(fl/-)) to deprotect telomeres, which, like double-strand breaks, activate the ATM kinase, accumulate 53BP1 and are processed by non-homologous end joining (NHEJ). Deletion of TRF2 from 53BP1-deficient cells established that NHEJ of dysfunctional telomeres is strongly dependent on the binding of 53BP1 to damaged chromosome ends. To address the mechanism by which 53BP1 promotes NHEJ, we used time-lapse microscopy to measure telomere dynamics before and after their deprotection. Imaging showed that deprotected telomeres are more mobile and sample larger territories within the nucleus. This change in chromatin dynamics was dependent on 53BP1 and ATM but did not require a functional NHEJ pathway. We propose that the binding of 53BP1 near DNA breaks changes the dynamic behaviour of the local chromatin, thereby facilitating NHEJ repair reactions that involve distant sites, including joining of dysfunctional telomeres and AID (also known as AICDA)-induced breaks in immunoglobulin class-switch recombination.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2613650/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2613650/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dimitrova, Nadya -- Chen, Yi-Chun M -- Spector, David L -- de Lange, Titia -- DP1 OD000379/OD/NIH HHS/ -- DP1 OD000379-04/OD/NIH HHS/ -- EY18244/EY/NEI NIH HHS/ -- GM049046/GM/NIGMS NIH HHS/ -- GM42694/GM/NIGMS NIH HHS/ -- OD000379/OD/NIH HHS/ -- R37 GM049046/GM/NIGMS NIH HHS/ -- R37 GM049046-16/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2008 Nov 27;456(7221):524-8. doi: 10.1038/nature07433. Epub 2008 Oct 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Rockefeller University, 1230 York Avenue, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18931659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Chromatin/genetics/*metabolism ; Chromosomal Proteins, Non-Histone ; DNA Breaks, Double-Stranded ; *DNA Damage ; *DNA Repair ; DNA-Binding Proteins ; Humans ; Intracellular Signaling Peptides and Proteins/deficiency/genetics/*metabolism ; Mice ; Movement ; Protein Binding ; Sequence Homology ; Signal Transduction ; Telomere/*genetics/*metabolism ; Telomeric Repeat Binding Protein 2/deficiency/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    Mouse development with a single E2F activator (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-07-03
    Description: The E2F family is conserved from Caenorhabditis elegans to mammals, with some family members having transcription activation functions and others having repressor functions. Whereas C. elegans and Drosophila melanogaster have a single E2F activator protein and repressor protein, mammals have at least three activator and five repressor proteins. Why such genetic complexity evolved in mammals is not known. To begin to evaluate this genetic complexity, we targeted the inactivation of the entire subset of activators, E2f1, E2f2, E2f3a and E2f3b, singly or in combination in mice. We demonstrate that E2f3a is sufficient to support mouse embryonic and postnatal development. Remarkably, expression of E2f3b or E2f1 from the E2f3a locus (E2f3a(3bki) or E2f3a(1ki), respectively) suppressed all the postnatal phenotypes associated with the inactivation of E2f3a. We conclude that there is significant functional redundancy among activators and that the specific requirement for E2f3a during postnatal development is dictated by regulatory sequences governing its selective spatiotemporal expression and not by its intrinsic protein functions. These findings provide a molecular basis for the observed specificity among E2F activators during development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4288824/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4288824/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsai, Shih-Yin -- Opavsky, Rene -- Sharma, Nidhi -- Wu, Lizhao -- Naidu, Shan -- Nolan, Eric -- Feria-Arias, Enrique -- Timmers, Cynthia -- Opavska, Jana -- de Bruin, Alain -- Chong, Jean-Leon -- Trikha, Prashant -- Fernandez, Soledad A -- Stromberg, Paul -- Rosol, Thomas J -- Leone, Gustavo -- K01CA102328/CA/NCI NIH HHS/ -- P01CA097189/CA/NCI NIH HHS/ -- R01 CA121275/CA/NCI NIH HHS/ -- R01 CA121275-03/CA/NCI NIH HHS/ -- R01CA121275/CA/NCI NIH HHS/ -- R01CA85619/CA/NCI NIH HHS/ -- R01HD042619/HD/NICHD NIH HHS/ -- R01HD047470/HD/NICHD NIH HHS/ -- T32CA106196/CA/NCI NIH HHS/ -- England -- Nature. 2008 Aug 28;454(7208):1137-41. doi: 10.1038/nature07066. Epub 2008 Jun 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, College of Biological Sciences, The Ohio State University, Columbus, Ohio 43210, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18594513" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; E2F Transcription Factors/deficiency/genetics/*metabolism ; E2F1 Transcription Factor/deficiency/genetics/metabolism ; E2F2 Transcription Factor/deficiency/genetics/metabolism ; E2F3 Transcription Factor/deficiency/genetics/metabolism ; Embryo Loss/genetics ; Embryo, Mammalian/embryology/metabolism ; *Embryonic Development/genetics ; Gene Deletion ; Genotype ; *Growth/genetics ; Mice ; Mice, Knockout ; Phenotype
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Molecular biology. miRNAs in neurodegeneration (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hebert, Sebastien S -- De Strooper, Bart -- New York, N.Y. -- Science. 2007 Aug 31;317(5842):1179-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Human Genetics, VIB and KULeuven, Herestraat 49, Leuven, Belgium. bart.destrooper@med.kuleuven.be〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17761871" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/metabolism ; Animals ; Brain/physiology/*physiopathology ; Cell Death ; Cell Differentiation ; Cells, Cultured ; Dopamine/*metabolism ; Feedback, Physiological ; Humans ; Mice ; MicroRNAs/genetics/*metabolism ; Neurodegenerative Diseases/genetics/*physiopathology ; Neurons/cytology/metabolism/*physiology ; Parkinson Disease/genetics/*physiopathology ; RNA, Messenger/genetics/metabolism ; Ribonuclease III/metabolism ; Transcription Factors/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Cancer regression in patients after transfer of genetically engineered lymphocytes (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-02
    Description: Through the adoptive transfer of lymphocytes after host immunodepletion, it is possible to mediate objective cancer regression in human patients with metastatic melanoma. However, the generation of tumor-specific T cells in this mode of immunotherapy is often limiting. Here we report the ability to specifically confer tumor recognition by autologous lymphocytes from peripheral blood by using a retrovirus that encodes a T cell receptor. Adoptive transfer of these transduced cells in 15 patients resulted in durable engraftment at levels exceeding 10% of peripheral blood lymphocytes for at least 2 months after the infusion. We observed high sustained levels of circulating, engineered cells at 1 year after infusion in two patients who both demonstrated objective regression of metastatic melanoma lesions. This study suggests the therapeutic potential of genetically engineered cells for the biologic therapy of cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2267026/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2267026/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morgan, Richard A -- Dudley, Mark E -- Wunderlich, John R -- Hughes, Marybeth S -- Yang, James C -- Sherry, Richard M -- Royal, Richard E -- Topalian, Suzanne L -- Kammula, Udai S -- Restifo, Nicholas P -- Zheng, Zhili -- Nahvi, Azam -- de Vries, Christiaan R -- Rogers-Freezer, Linda J -- Mavroukakis, Sharon A -- Rosenberg, Steven A -- Z01 BC010763-01/Intramural NIH HHS/ -- Z01 SC003811-32/Intramural NIH HHS/ -- Z99 CA999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):126-9. Epub 2006 Aug 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Surgery Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16946036" target="_blank"〉PubMed〈/a〉
    Keywords: *Adoptive Transfer ; Adult ; Antigens, Neoplasm/*immunology ; CD8-Positive T-Lymphocytes/*immunology ; Cancer Vaccines/therapeutic use ; Cells, Cultured ; Electroporation ; Female ; Genetic Engineering ; *Genetic Therapy ; HLA-A Antigens/immunology ; HLA-A2 Antigen ; Humans ; Interleukin-2/immunology/therapeutic use ; MART-1 Antigen ; Male ; Melanoma/immunology/secondary/*therapy ; Middle Aged ; Neoplasm Proteins/*immunology ; Receptors, Antigen, T-Cell, alpha-beta/*genetics/*immunology ; Transduction, Genetic ; Transgenes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    The orphan G protein-coupled receptor 3 modulates amyloid-beta peptide generation in neurons (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-02-14
    Description: Deposition of the amyloid-beta peptide is a pathological hallmark of Alzheimer's disease. A high-throughput functional genomics screen identified G protein-coupled receptor 3 (GPR3), a constitutively active orphan G protein-coupled receptor, as a modulator of amyloid-beta production. Overexpression of GPR3 stimulated amyloid-beta production, whereas genetic ablation of GPR3 prevented accumulation of the amyloid-beta peptide in vitro and in an Alzheimer's disease mouse model. GPR3 expression led to increased formation and cell-surface localization of the mature gamma-secretase complex in the absence of an effect on Notch processing. GPR3 is highly expressed in areas of the normal human brain implicated in Alzheimer's disease and is elevated in the sporadic Alzheimer's disease brain. Thus, GPR3 represents a potential therapeutic target for the treatment of Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thathiah, Amantha -- Spittaels, Kurt -- Hoffmann, Marcel -- Staes, Mik -- Cohen, Adrian -- Horre, Katrien -- Vanbrabant, Mieke -- Coun, Frea -- Baekelandt, Veerle -- Delacourte, Andre -- Fischer, David F -- Pollet, Dirk -- De Strooper, Bart -- Merchiers, Pascal -- New York, N.Y. -- Science. 2009 Feb 13;323(5916):946-51. doi: 10.1126/science.1160649.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Developmental Genetics, Vlaams Institute for Biotechnology, Center for Human Genetics, Catholic University of Leuven, Herestraat 49, 3000 Leuven, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19213921" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Amyloid Precursor Protein Secretases/metabolism ; Amyloid beta-Peptides/*biosynthesis ; Animals ; Cell Line ; Cell Line, Tumor ; Cells, Cultured ; Female ; Humans ; Male ; Mice ; Middle Aged ; Neurons/*metabolism ; Protein Structure, Tertiary ; Receptors, G-Protein-Coupled/*metabolism ; Receptors, Notch/metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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